Home / 185,642.95-256,187.52-100,760.02

Finding the Fourth Proportional to 185,642.95, 256,187.52 and 100,760.02

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Solution

The fourth proportional to 185,642.95, 256,187.52 and 100,760.02 is: 139,048.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,642.95 : 256,187.52 = 100,760.02 : x
  2. Step 2: Convert to fraction form
    185,642.95/256,187.52 = 100,760.02/x
  3. Step 3: Cross multiply
    185,642.95x = 256,187.52 × 100,760.02
  4. Step 4: Simplify right side
    185,642.95x = 25,813,459,638.95
  5. Step 5: Solve for x
    x = 25,813,459,638.95/185,642.95
  6. Step 6: Final answer
    x = 139,048.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.